Sprinkler



FIG. 1 is a front view;

FIG. 2 is a top view;

FIG. 3 is a left side view;

FIG. 4 is a right side view;

FIG. 5 is a bottom view;

FIG. 6 is a back view;

FIG. 7 is a top view with the upper portion of the device shown rotated; and,

FIG. 8 is a perspective view shown enlarged for clarity. 

The ornamental design for a sprinkler, as shown and described. 